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AysviL [449]
3 years ago
14

What coordinates solve both 6x+2y=-6 and 7x+4y=8? How do you get the answer?

Mathematics
1 answer:
Igoryamba3 years ago
7 0
Use the method of simultaneous equations and you can solve it. Once you do that you should get (-4,9)
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a piece of coal in a shape of a square pyramid has base edge pf 8.2 in on each side and with height of 5.3 in. What is the volum
lozanna [386]
Volume = 1/3a^2h

v= 1/3 x 8.2^2 x 5.3

v=118.79066666667 in^3
4 0
3 years ago
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The table shows a linear function. <br>which equation represents the function?
Bas_tet [7]

Answer:

Option C is correct.

The equation f(x)= -\frac{1}{2}x +4 represents the function.

Step-by-step explanation:

Using slope intercept form to find the equation of line :

For any two points (x_1, y_1) and  (x_2, y_2) the equation of line is given by:

y -y _1 = m(x-x_1) ......[1] ;where m is the slope given by:

m = \frac{y_2-y_1}{x_2-x_1}

Consider any two points from table :

let (4, 2) and (0, 4) be any two points.

calculate slope:

m = \frac{y_2-y_1}{x_2-x_1}= \frac{4-2}{0-4}

m = \frac{2}{-4} = -\frac{1}{2}

Now, substitute in equation [1]  we have:

y - 2 = -\frac{1}{2} (x-4)

Distributive property i.e,  a\cdot (b+c) = a\cdot b + a\cdot c

y -2 = -\frac{1}{2}x +2

Add both sides 2 we get;

y -2+2 = -\frac{1}{2}x+2+2

Simplify:

y = -\frac{1}{2}x+4

Since, y= f(x)

f(x)= -\frac{1}{2}x +4

therefore, the equation f(x)= -\frac{1}{2}x +4 represents the function.


8 0
3 years ago
Mrs.Kunkleman asks her students to write the Pythagorean theorem in their own words
masha68 [24]

Step-by-step explanation:

The Pythagorean theorem can be understood as a mathematical relationship between the sides of a right triangle that helps to understand geometric problems in real situations, such as finding measurements, calculating areas, etc.

The theorem says that the square of the hypotenuse is equal to the sum of the squares on the other sides.

In a right triangle the hypotenuse is the longest side of the triangle, on the side opposite to its longest angle, and the other two sides will be the sides. So the Pythagorean theorem formula is:

a² = b² + c²

where a represents the hypotenuse and b and c the other sides.

5 0
3 years ago
4 - 2y + 8 = -6 solve for y
cluponka [151]

Answer:

Use the app photomath

Step-by-step explanation:

7 0
3 years ago
What is the congruence method you will use to show that the triangles are congruent?
kozerog [31]
The answer would be SSS or Side-Side-Side.
4 0
3 years ago
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